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Apparatus for physical simulation experiment for fracturing in horizontal well layer by layer by spiral perforation and method thereof
Apparatus for physical simulation experiment for fracturing in horizontal well layer by layer by spiral perforation and method thereof
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机译:螺旋射孔逐层压裂水平井物理模拟实验装置及其方法
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摘要
Apparatus and method for a physical simulation experiment of fracturing an unconventional oil and gas reservoir layer by layer by spiral perforation via a horizontal well bore. The apparatus includes an outer wellbore provided with at least three layers of spiral perforations, and an inner wellbore provided with at least three layers of through-holes. The method includes injecting fracturing fluid into the inner wellbore, and opening a first layer cracks of a stratum by the fracturing fluid passing the first through-hole layer and the first spiral perforation layer, opening a second layer cracks of the stratum by the fracturing fluid passing second through-hole layer and second spiral perforation layer and opening a third layer cracks of the stratum by the fracturing fluid passing third through-hole layer and third spiral perforation layer.
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